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Technical Data Sheet
PartsTable / COMPONENT / 425073
425073 ✓ Verified by PartsTable
— · TAPERED BEARING
WHAT YOU NEED TO KNOW
Cup and cone sold separately — confirm both needed Timken series numbers indicate dimensions
Cup and cone NOT sold as set — verify order
PRODUCT OVERVIEW

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include color: BLACK, phase: SINGLE, width: 0.500 INCHES IN, height: 4.690 INCHES NOMINAL IN, length: 26.000 FEET FT, starter: REQUIRED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3110-00-100-0328, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
425073
NSN: 3110-00-100-0328
FSC: 3110
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
colorBLACK
phaseSINGLE
width0.500 INCHES IN
height4.690 INCHES NOMINAL IN
length26.000 FEET FT
starterREQUIRED
diameter0.313 INCHES NOMINAL IN
materialPLASTIC POLYAMIDE NYLON LOCATION NOT OTHERWISE SPECIFIED
body_styleRECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES
core_depth1.000 INCHES NOMINAL IN
drive_typeDIRECT
flow_styleTHREE-WAY THREE PORT 90 DEGREE PLUG TURNTHREE-WAY THREE PORT 90 DEGREE PLUG TURN
NSN3110-00-100-0328
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 425073 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
30098Interchangeable
interchangeable cross-reference
interchangeable
27042Interchangeable
interchangeable cross-reference
interchangeable
T80Interchangeable
interchangeable cross-reference
interchangeable
600138Interchangeable
interchangeable cross-reference
interchangeable
40312Interchangeable
interchangeable cross-reference
interchangeable
18-142Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 425073?
425073 is a CUP,TAPERED ROLLER BEARING.
What parts can replace 425073?
There are 30 known substitutes for 425073: 30098, 27042, T80 and 27 more. Substitute compatibility should be verified for your specific system.
Is 425073 still available?
425073 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026